According to the results of clinical research, myopia is generally formed at two relatively high ages, the first stage is 3-6 years old, the second age is between 12 and 18 years old, these two age groups are more prone to myopia, in order to avoid the premature appearance of myopia, it is recommended to maintain reasonable eye habits in general, try to reduce the time of close eye use, this is the prevention of myopia The more effective method, if you can ensure 1-2 hours of outdoor time every day, can effectively reduce the chances of myopia. In the learning process, you should also pay attention to maintain the correct sitting posture and try to control the time spent using electronic products. The eyes need to do regular vision checkups, and once myopia is detected, it should be dealt with early to avoid excessive growth of myopia.